The clocks go forward Sunday 26th March at 1am for British Summer Time (BST).
William Willett campaigned for the changing of the clocks and published a pamphlet, called the Waste of Daylight, in 1907.
Britain first adopted British Summer Time during World War One in order to save fuel by reducing the need for artificial light.
The clocks going forward will mean there will be more daylight in the evenings.
The clocks will go back an hour for GMT on October 29th at 2am.
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